[특허]Method and apparatus for lining manhole assemblies and the like

Method and apparatus for lining manhole assemblies and the like 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E02D-029/14
출원번호	US-0883545 (1986-07-09)
발명자 / 주소	Ditcher Jack (Langhorne PA) Westhoff James (Langhorne PA) Ditcher Eric (Bensalem PA)
출원인 / 주소	A-LOK Product, Inc. (Tallytown PA 02)
인용정보	피인용 횟수 : 19 인용 특허 : 0

초록 ▼

Method and apparatus for providing liners in manhole assemblies, which liner is comprised of a plurality of liner sections joined together to form the inner corrosion resistant surface of each manhole member. The liner section define the inner surface of the manhole member being molded. Cast material is poured into the mold and allowed to set. The liner surface engaging the cast material contains integral substantially T-shaped projections which anchor the liner sections to the cast member. The tops and bottoms of each liner section extend around the surface of the section engaging the next adjacent section joined thereto to prevent toxic materials from reaching a cast material. The liner sections are theroplastic vacuum formed whereby the sheet forming the liner section is drawn against substantially T-shaped strips arranged upon the mold member within the vacuum thermo-forming equipment to provide the aforementioned integral T-shaped anchoring projections.

대표청구항 ▼

A manhole assembly comprised of a plurality of manhole sections stacked one upon the other; each of said manhole sections being formed of a cast material and having liner means formed of a sheet-like semi-rigid plastic material having a curved shape for lining the interior cylindrical surface of each manhole section said liner means conforming to the curvature of said cylindrical interior surface; said liner means having integral, substantially dove-tail shaped projections encircling the curved surface of said liner means engaging said cast material, said integral, curved dove-tail projections conforming to the curved shape of said interior surface and being embedded in said cast material and having a configuration which anchors said liner means to said manhole section; said manhole section being provided with an engaging annular surface for engaging the adjacent annular surface of the adjacent manhole section; said liner means having flange means extending over at least a portion of said engaging annular surface whereby the outer surfaces of the flanges of adjacent manhole sections engage one another; caulking means provided in the region between said engaging flange surfaces to provide in the region between said engaging flange surfaces a corrosion resistant seal to protect said cast material from corrosion; each of said integral projection means comprising a portion of the sheet-like member which has been formed to yield said projections; said liner means comprising a plurality of arcuate shaped liner sections; portions of said adjacent sections being arranged to extend beyond said projections to overlap one another to form a continuous cylindrical-shaped liner for protecting the adjacent surface of the associated manhole section; caulking means being provided in the region between overlapped portions of said liner sections.

이 특허를 인용한 특허 (19)

Trangsrud Julian P., Caustic fluid blocking member in the base of a manhole.
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Olsen Robert W. (15569 Lockmaber Ave. ; SE Ft. Myers FL 33912) Dawson Stewart M. (5210 SW. 11th Place Cape Coral FL 33914), Concrete products and methods of fabrication.
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Künze, Manfred; Weis, Stefan; Merkl, Peter, Cover having a wear-resistant surface and method for the production thereof.
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Trangsrud Julian P., Extension for a canal bed liner.
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Peacock Bobbie D. ; McInvale Charles W., Insert forming hole to receive manhole step.
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Skinner, James W.; Gamble, Jimmy D.; Slocum, Robert R.; Kaczmarczyk, John M., Manhole base assembly with internal liner and method of manufacturing same.
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Skinner, James W.; Gamble, Jimmy D.; Slocum, Robert R.; Kaczmarczyk, John M., Manhole base assembly with internal liner and method of manufacturing same.
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Skinner, James W.; Gamble, Jimmy D.; Slocum, Robert R.; Kaczmarczyk, John M.; Kurdziel, John M., Manhole base assembly with internal liner and method of manufacturing same.
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Ross, Brenda; Ross, David, Manhole security barrier.
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Banks,Robert S., Manhole water seal-cap/diverter.
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Neathery David L. (1830 Willow Point Shreveport LA 71119), Method and apparatus for sealing manholes.
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Strong William A. (Rte. 12 ; P.O. Box 1150 ; Brinkley Rd. Pine Bluff AR 71603), Method of rehabilitating manholes by custom lining/relining.
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Koteskey, Gary L., Molded sectioned riser and locking cover.
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VanHoose, Bill Russell; Piazza, Nicholas James; Vitarelli, Ronald Robert; Atchison, Owen Michael; Frost, Tyler James, Pipe with an outer wrap.
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VanHoose, Bill Russell; Piazza, Nicholas James; Vitarelli, Ronald Robert; Atchison, Owen Michael; Frost, Tyler James, Pipe with an outer wrap.
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VanHoose, Bill Russell; Piazza, Nicholas James; Vitarelli, Ronald Robert; Atchison, Owen Michael; Frost, Tyler James, Pipe with an outer wrap.
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Koket, George T., Thermoset tile with freeze-thaw resistant feature.
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Koket, George T., Thermoset tile with freeze-thaw resistant feature.
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Curtis, Mark Robert Edmund, Wall seal system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Method and apparatus for lining manhole assemblies and the like 원문보기

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Method and apparatus for lining manhole assemblies and the like 원문보기

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이 특허를 인용한 특허 (19)

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